CVE-2025-66843

grav before v1.7.49.5 has a Stored Cross-Site Scripting (Stored XSS) vulnerability in the page editing functionality. An authenticated low-privileged user with permission to edit content can inject malicious JavaScript payloads into editable fields. The payload is stored on the server and later executed when any other user views or edits the affected page.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/Yohane-Mashiro/grav_cve/issues/1	Exploit Issue Tracking Third Party Advisory
https://github.com/Yohane-Mashiro/grav_cve/issues/1	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*

History

14 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) grav anterior a la v1.7.49.5 tiene una vulnerabilidad de cross-site scripting almacenado (XSS almacenado) en la funcionalidad de edición de páginas. Un usuario autenticado con bajos privilegios y permiso para editar contenido puede inyectar cargas útiles maliciosas de JavaScript en campos editables. La carga útil se almacena en el servidor y se ejecuta posteriormente cuando cualquier otro usuario ve o edita la página afectada.

Information

Published : 2025-12-15 16:15

Updated : 2026-10-14 13:10

NVD link : CVE-2025-66843

Mitre link : CVE-2025-66843

CVE.ORG link : CVE-2025-66843

JSON object : View

Products Affected

getgrav

grav

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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